Datasheets

MIC94070/71/72/73High Side Power Switches General Description Features The MIC94070-73 are high-side load switches designedfor operation between 1.7V to 5.5V. The devices containa low on-resistance P-channel MOSFET that supports1.2A of continuous current. The MIC94071 andMIC94073 feature an active load discharge circuit whichinsures capacitive loads retain no charge when the mainswitch is in an OFF state.MIC94070-71 feature rapid turn on while MIC94072-73provide a slew rate controlled Soft-Start turn-on of 800Вµs(typical) to prevent in-rush current from glitching supplyrails.An active pull-down on the enable input keepsMIC94070-73 in a default OFF state until the EN pin ispulled to a high level. Built-in level shift circuitry allowslow voltage logic signals to switch higher supplyvoltages, or vice versa; high level logic signals cancontrol low level voltages.MIC94070-73вЂ™s operating voltage range makes themsuitable for 1-cell Lithium ion and 2-to 3-cellNiMH/NiCad/Alkaline powered systems, as well as all 5Vapplications. Their low operating current of 2ВµA and lowshutdown current of <1ВµA maximize battery life. ...

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Lifecycle Status

Production (Appropriate for new designs but newer alternatives may exist)